<!DOCTYPE html>
<html lang="en">

<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>QSKJ_LOCAL</title>
    <script type="text/javascript" src="/Public/Build/Cesium/Cesium.js"></script>
    <script src="/Public/js/jquery-3.7.1.min.js"></script>
    <script src="/Public/js/utilsForCesium.js"></script>
    <link rel="stylesheet" href="/Public/Build/Cesium/Widgets/widgets.css">
    <style>
        .camera-info {
            position: absolute;
            display: flex;
        }

        .camera-info>span {
            margin-left: 20px;
            color: white;
            font-size: 20px;
            font-weight: 800;
            z-index: 450;
        }
    </style>
</head>

<body>
    <div id="cesiumContainer">
        <div class="camera-info">
            <span id="c-heading"></span>
            <span id="c-pitch"></span>
            <span id="c-jd"></span>
            <span id="c-wd"></span>
            <span id="c-height"></span>
        </div>
    </div>
    <script>
        Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI0MjczNDgzMy1hYzE1LTRjNWYtODZhMS01MjZkNWRiMDc2MmUiLCJpZCI6ODIxMzAsImlhdCI6MTY0NDU0ODc0M30.LpGXXWsbQXucV5MTeC2g8BCAQWiZp612gosWcK-7ocE';

        const viewer = new Cesium.Viewer('cesiumContainer', {
            terrain: Cesium.Terrain.fromWorldTerrain(),
        });

        viewer.camera.changed.addEventListener(() => {
            let heading = Cesium.Math.toDegrees(viewer.camera.heading).toFixed(2)
            let pitch = Cesium.Math.toDegrees(viewer.camera.pitch).toFixed(2)
            let viewHeight = viewer.camera.positionCartographic.height.toFixed(2)
            var positionCartographic = Cesium.Cartographic.fromCartesian(viewer.camera.position);
            var longitude = Cesium.Math.toDegrees(positionCartographic.longitude).toFixed(2);
            var latitude = Cesium.Math.toDegrees(positionCartographic.latitude).toFixed(2);
            var height = positionCartographic.height.toFixed(2);
            $("#c-heading").text(`heading:${heading}`)
            $("#c-pitch").text(`pitch:${pitch}`)
            $("#c-jd").text(`视角经度:${longitude}`)
            $("#c-wd").text(`视角纬度:${latitude}`)
            $("#c-height").text(`视角高度:${height}`)
        })
        // viewer.scene.globe.show = false;
        // viewer.scene.globe.depthTestAgainstTerrain = true
        const polygonPoints = [
            [102.6431, 29.3902],
            [102.6662, 29.4374],
            [102.7235, 29.4210],
            [102.7027, 29.3851]
        ]
        getSamplePointList(polygonPoints).then((res) => {
            var positions = []
            res.forEach(point => {
                if (isPointInPolygonRayCasting(point, polygonPoints)) {
                    var point_c = Cesium.Cartographic.fromDegrees(point[0], point[1])
                    positions.push(point_c)
                }
            })
            return positions
        }).then(positions => {
            getAllPointHeight(positions).then(res => {
                res.forEach(c_position => {
                    const ellipsoid = Cesium.Ellipsoid.WGS84
                    viewer.entities.add({
                        position: ellipsoid.cartographicToCartesian(c_position),
                        point: {
                            color: Cesium.Color.FIREBRICK,
                            pixelSize: 6,
                            outlineColor: Cesium.Color.DARKSLATEGREY,
                            outlineWidth: 3,
                            heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
                            disableDepthTestDistance: Number.POSITIVE_INFINITY,
                        },
                        label: {
                            text: c_position.height.toFixed(1),
                            font: "7pt monospace",
                            horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
                            pixelOffset: new Cesium.Cartesian2(0, -14),
                            fillColor: Cesium.Color.BLACK,
                            outlineColor: Cesium.Color.BLACK,
                            showBackground: true,
                            backgroundColor: new Cesium.Color(0.9, 0.9, 0.9, 0.7),
                            backgroundPadding: new Cesium.Cartesian2(4, 3),
                        },
                    })
                })
            })
        })


        viewer.camera.setView({
            destination: Cesium.Cartesian3.fromDegrees(
                102.70, 29.20,
                25200
            ),
            orientation: {
                heading: Cesium.Math.toRadians(357.52),
                pitch: Cesium.Math.toRadians(-36.91),
                roll: 0.0,
            },
        });
        // })

    </script>
    </div>
</body>

</html>